A population consists of three strata with N1 = N2 = 1000
Chapter , Problem 52(choose chapter or problem)
A population consists of three strata with \(N_{1}=N_{2}=1000 \text { and } N_{3}=500\). A stratified random sample with 10 observations in each stratum yields the following data:
Stratum 1 94 99 106 106 101 102 122 104 97 97
Stratum 2 183 183 179 211 178 179 192 192 201 177
Stratum 3 343 302 286 317 289 284 357 288 314 276
Estimate the population mean and total and give a 90% confidence interval.
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